Home / 28,151,964.20-42,174,802.20-14,458,501.10

Finding the Fourth Proportional to 28,151,964.20, 42,174,802.20 and 14,458,501.10

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Solution

The fourth proportional to 28,151,964.20, 42,174,802.20 and 14,458,501.10 is: 21,660,457.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,151,964.20 : 42,174,802.20 = 14,458,501.10 : x
  2. Step 2: Convert to fraction form
    28,151,964.20/42,174,802.20 = 14,458,501.10/x
  3. Step 3: Cross multiply
    28,151,964.20x = 42,174,802.20 × 14,458,501.10
  4. Step 4: Simplify right side
    28,151,964.20x = 609,784,424,000,982.50
  5. Step 5: Solve for x
    x = 609,784,424,000,982.50/28,151,964.20
  6. Step 6: Final answer
    x = 21,660,457.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.